l5answer 1 2 3 1. On a 120/208-V four wire Y system, two lamps are connectedfrom phase A to neutral, 5 lamps from phase B to neutraland four lamps from phase C to neutral. If the lamps havethe same rating and each draws 2 A, find the current in theneutral wire.a. O Ab. 8.66 Ac. 6.93 Ad. 5.29 A2. Two balanced three-phase loads are connected in parallel.Load 1 draws 20 kW at a lagging power factor of 0.85; Load2 draws 25 kW at a lagging power factor of 0.5. The linevoltage at the terminals at the load is 440 V. The loadterminals are connected to the source terminals by means ofcables which have an impedance of 1 + 13 ohms each.Calculate the 1ine voltage at the terminals of the source.a. 795 Vb. 805 Vc. 778 Vd. 788 V3. A three-phase, 339.4 has a delta connected load with Zan -10/10°, Zmc = 10/30° AND N ZCA - 15/-30° ohms. Find thecurrent in line A.a. 49.23 Ab. 64.10 Ac. 23.83 Ad. 54.72 A

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1. On a 120/208-V four wire Y system, two lamps are connected from phase A to neutral, 5 lamps from phase B to neutral and four lamps from phase C to neutral. If the lamps have the same rating and each draws 2 A, find the current in the neutral wire. a. O A b. 8.66 A c. 6.93 A d. 5.29 A

1. On a 120/208-V four wire Y system, two lamps are connected from phase A to neutral, 5 lamps from phase B to neutral and four lamps from phase C to neutral. If the lamps have the same rating and each draws 2 A, find the current in the neutral wire. a. O A b. 8.66 A c. 6.93 A d. 5.29 A

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Concept explainers

Analog to Digital Converters

The analog-to-digital converter (ADC) allows circuits controlled by microprocessors, Arduinos, Raspberry Pi, and various reasonable digital circuits to be connected to the real world. In the real world, analog signals have a continuous stream of information from a variety of sources and sensors capable of measuring sound, light, temperature, or movement, in addition to the many digital systems that interact with their environment by measuring analog signals from those transducers.

Question

answer 1 2 3

1. On a 120/208-V four wire Y system, two lamps are connected
from phase A to neutral, 5 lamps from phase B to neutral
and four lamps from phase C to neutral. If the lamps have
the same rating and each draws 2 A, find the current in the
neutral wire.
a. O A
b. 8.66 A
c. 6.93 A
d. 5.29 A
2. Two balanced three-phase loads are connected in parallel.
Load 1 draws 20 kW at a lagging power factor of 0.85; Load
2 draws 25 kW at a lagging power factor of 0.5. The line
voltage at the terminals at the load is 440 V. The load
terminals are connected to the source terminals by means of
cables which have an impedance of 1 + 13 ohms each.
Calculate the 1ine voltage at the terminals of the source.
a. 795 V
b. 805 V
c. 778 V
d. 788 V
3. A three-phase, 339.4 has a delta connected load with Zan -
10/10°, Zmc = 10/30° AND N ZCA - 15/-30° ohms. Find the
current in line A.
a. 49.23 A
b. 64.10 A
c. 23.83 A
d. 54.72 A

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